coffee, it's good to have you with us tonight. thanks for joining us so late at night. >> caller: thanks for including me, rachel. >> it became big news that dzhokhar tsarnaev was not read his miranda rights and might not be at the initial portion of his interrogation because of the public safety exemption. is that an unusual decision? would you have expected that? >> it's a matter of degree. this comes against a backdrop as you were talking about, rachel, of civilian trials versus enemy combatant, military tribunal status. in the obama administration, they were trying to demonstrate that civilian tools are adequate, they're tough enough to make everybody safe. so in that process, the public safety exception seems to be evolving for terrorism purposes. for example, just to sort of track, we remember the so-called christmas day bomber who was